
Z-ROD® 20W-50 Synthetic Motor Oil
Product code : ZRFQT-EA
• Engineered for classic vehicles
• Helps retain horsepower
• High-zinc formula protects flat-tappet cams, lifters, rockers & other critical components
• Protects against rust during storage
• Engineered for classic vehicles
• Helps retain horsepower
• High-zinc formula protects flat-tappet cams, lifters, rockers & other critical components
• Protects against rust during storage
Z-ROD® 20W-50 Synthetic Motor Oil
Specially engineered for classic cars. Contains high levels of ZDDP, top-tier additives and rust inhibitors to protect your passion, deliver maximum performance and keep your classic engine free of rust and corrosion in storage.
See the Product Data Bulletin for full details.
PROTECTS FLAT-TAPPET CAMS
- Formulated with high levels of ZDDP to protect flat-tappet cams, lifters, rockers and other areas susceptible to wear.
- High-zinc, high-phosphorus formulation provides the extra wear protection critical splash-lubricated components require.
- Fights wear to help prevent compression loss for maximum horsepower.
HELPS PREVENT RUST & CORROSION
- Formulated with a unique blend of rust and corrosion inhibitors to ensure maximum protection during long-term storage.
- Prevented rust and corrosion in industry standard testing (ASTM D1748-10) for excellent engine protection.
Z-ROD Delivers Superior Rust Protection
In industry standard testing, AMSOIL Z-ROD completely prevented rust formation while a leading competitor did not.A

ᴬ Based upon in-house testing of AMSOIL Z-ROD 10W-40 and a leading competitor obtained on 7/25/2019 in ASTM D1748-10.
Z-ROD® 20W-50 Synthetic Motor Oil
SDS
Download the SDS
Data Bulletins
Download the Data Bulletins
WARRANTY
Download the WARRANTY
Z-ROD® 20W-50 Synthetic Motor Oil
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Expand the product lineGreat oil, but would like to see the line expanded to include single 40w, 50w or 60w.Bottom LineYes, I would recommend this to a friend.
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By  MICHAEL,  a  Verified Buyer  from  Greenwood, louisiana  on  March 22, 2021The site was easy to navigate and product information spot onBottom LineYes, I would recommend this to a friend.
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I use Z rod oil as my brake in oil in my flat tappet cam motors. It never let me down. After brake in I use Domintor racing oil to handle the racing duty.Bottom LineYes, I would recommend this to a friend.
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great for my vw aircooled. i am a premium member but, at 100 dollars for free shipping, i shy away. if it was 50 like it was one time only, ild order each month.Bottom LineYes, I would recommend this to a friend.
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Great oil for my race carI use this oil in my pro charged Ford MustangBottom LineYes, I would recommend this to a friend.
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Racing oilWhen you need a little extra out of your crate motor and the best protectionBottom LineYes, I would recommend this to a friend.
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Best oilUse this oil in my cammed 2012 camaro SS and I wouldn’t use anything else. Best oil hands downBottom LineYes, I would recommend this to a friend.
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Great for my go kart but taste badI would recommend olive oil in your spaghetti. Enough saidBottom LineYes, I would recommend this to a friend.
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Works great with gen lll hemi's too!Bottom LineYes, I would recommend this to a friend.
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Great in my mud motorAlways on time fast order and delivery alwa. Definitely recommend any amsoil brand of oilBottom LineYes, I would recommend this to a friend.